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145445352 = 23313466171
BaseRepresentation
bin10001010101101…
…01000111101000
3101010200101111220
420222311013220
5244213222402
622233222040
73414156633
oct1052650750
9333611456
10145445352
1175111278
1240861920
1324195a50
1415460c1a
15cb7edbc
hex8ab51e8

145445352 has 32 divisors (see below), whose sum is σ = 391584480. Its totient is φ = 44752320.

The previous prime is 145445347. The next prime is 145445359. The reversal of 145445352 is 253544541.

It is not an unprimeable number, because it can be changed into a prime (145445359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232774 + ... + 233397.

It is an arithmetic number, because the mean of its divisors is an integer number (12237015).

Almost surely, 2145445352 is an apocalyptic number.

145445352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145445352 is an abundant number, since it is smaller than the sum of its proper divisors (246139128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145445352 is a wasteful number, since it uses less digits than its factorization.

145445352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466193 (or 466189 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 145445352 is about 12060.0726365972. The cubic root of 145445352 is about 525.8960986447.

Adding to 145445352 its reverse (253544541), we get a palindrome (398989893).

The spelling of 145445352 in words is "one hundred forty-five million, four hundred forty-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 466171 932342 1398513 1864684 2797026 3729368 5594052 6060223 11188104 12120446 18180669 24240892 36361338 48481784 72722676 145445352